Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Craftsman 143666172 4-cycle engine

Craftsman 143666172 4-cycle engine Parts

Here are the diagrams and repair parts for Craftsman 143666172 4-cycle engine, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 143666172 4-Cycle Engine

  • Decal for Craftsman 143666172 - Part 33722

    Engine diagram

    Decal

    Part #33722

    The manufacturer no longer makes this part, and there's no substitute part

  • Exhaust Valve for Craftsman 143666172 - Part 27880A

    Exhaust Valve

    Part #27880A

    The manufacturer no longer makes this part, and there's no substitute part

  • Screw for Craftsman 143666172 - Part 29747A

    Engine diagram

    Screw

    Part #29747A

    The manufacturer no longer makes this part, and there's no substitute part

  • Housing for Craftsman 143666172 - Part 32158C

    Engine diagram

    Housing

    Part #32158C

    The manufacturer no longer makes this part, and there's no substitute part

  • Head Gasket for Craftsman 143666172 - Part 28938B

    Engine diagram

    Head Gasket

    Part #28938B

    The manufacturer no longer makes this part, and there's no substitute part

  • (650819) Screw for Craftsman 143666172 - Part N/P

    (650819) Screw

    Part #N/P

    The manufacturer no longer makes this part, and there's no substitute part

  • Ring for Craftsman 143666172 - Part 33317

    Engine diagram

    Ring

    Part #33317

    The manufacturer no longer makes this part, and there's no substitute part

  • Crankshaft for Craftsman 143666172 - Part 34081

    Engine diagram

    Crankshaft

    Part #34081

    The manufacturer no longer makes this part, and there's no substitute part

  • Gasket for Craftsman 143666172 - Part 30883

    Magneto diagram

    Gasket

    Part #30883

    The manufacturer no longer makes this part, and there's no substitute part

  • Decal for Craftsman 143666172 - Part 31714

    Engine diagram

    Decal

    Part #31714

    The manufacturer no longer makes this part, and there's no substitute part

Repair guides for rear-engine riding mowers

How to replace the ground drive belt on a zero-turn riding mower

How to replace the ground drive belt on a zero-turn riding mower

The ground drive belt connects the engine crankshaft to the transmission pulleys to drive the rear wheels.…

Repair time and Difficulty

 90 minutes or less
How to replace the electric clutch on a zero-turn riding mower

How to replace the electric clutch on a zero-turn riding mower

The electric clutch mounts on the engine crankshaft and controls the cutting blades. This step-by-step guide explains ho…

Repair time and Difficulty

 45 minutes or less
How to replace a cutting blade on a zero-turn riding mower

How to replace a cutting blade on a zero-turn riding mower

Replace a bent or dull cutting blade in 30 minutes or less. …

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

Parts & More

Automotive
Cd Player
Dishwasher
Electric Range
Electronic Sewing Machine
Gas Range
Heating & Cooling
Lawn Tractor Attachment
Plasma Television
Space Heater
Vhs Players & Vcrs
Washer